Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Shimabara enjoys a temperate climate with an average annual temperature of 61°F (16°C). Winters average 42°F in January while summers reach 79°F in July. The area gets 199 sunny days per year. Annual precipitation totals 78.4 inches (wetter than the 38-inch national average). The city sits at an elevation of 36 feet.
Temperature
42°F Jan (5°C)79°F Jul (26°C)
Annual Average
60.8°F
13% above US avg
January Average
42°F (5°C)
July Average
79°F (26°C)
Sunny Days
199 days/yr
Geography
Elevation
36 ft (11 m)
Area
32.0 sq mi (82.8 km²)
Population Density
1,356/sq mi
Coordinates
32.7833°N, 130.3667°W
Timezone
Asia/Tokyo
Precipitation & Snow
Annual Rainfall78.4"
106% above US avg
Snowfall0.0"
Wettest Month (Jun)14.17"
Driest Month (Dec)2.32"
Air Quality
Earthquake History
295 earthquakes (M2.5+) recorded within 150 km since 1990.
Strongest on record: M7.0.
Apr 15, 2016
6 km ESE of Kumamoto, Japan
M7.0
36 km
10 km
Dec 2, 1996
17 km SW of Miyazaki, Japan
M6.7
142 km
49 km
Oct 19, 1996
5 km SE of Miyazaki, Japan
M6.7
144 km
22 km
Mar 20, 2005
28 km NNW of Maebaru-ch??, Japan
M6.6
116 km
10 km
Jun 11, 2006
15 km S of Tsukawaki, Japan
M6.3
82 km
140 km
Apr 14, 2016
2 km SSE of Kumamoto, Japan
M6.2
32 km
9 km
Mar 26, 1997
16 km NE of Satsumasendai, Japan
M6.1
96 km
10 km
May 13, 1997
1 km WNW of Satsumasendai, Japan
M6.1
107 km
33 km
Apr 14, 2016
5 km ENE of Uto, Japan
M6.0
34 km
8 km
Apr 5, 2009
10 km N of Miyazaki, Japan
M5.8
131 km
26 km
Oct 19, 1996
19 km ENE of Miyazaki, Japan
M5.7
149 km
33 km
Apr 15, 2016
6 km S of Kikuchi, Japan
M5.7
44 km
10 km
Jul 12, 2015
12 km SSW of Usuki, Japan
M5.5
132 km
53 km
Apr 15, 2016
10 km NE of Aso, Japan
M5.5
78 km
13 km
Apr 18, 2016
8 km NNE of Aso, Japan
M5.5
73 km
10 km
Apr 19, 2005
8 km NNW of Maebaru-ch??, Japan
M5.5
97 km
19 km
May 22, 1998
9 km NE of Bungo-Takada-shi, Japan
M5.5
142 km
81 km
Apr 2, 1997
19 km W of Satsumasendai, Japan
M5.5
110 km
10 km
Apr 14, 2016
14 km ESE of Kumamoto, Japan
M5.4
43 km
10 km
Nov 4, 2002
Kyushu, Japan
M5.4
119 km
33 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
66 hurricanes (Category 1+) recorded within 500 km since 1980.
Strongest on record: Category 3.
Year
Name
Category
Max Wind
Closest
2024
Shanshan
Category 3
109 mph
32 km
2022
Nanmadol
Category 3
104 mph
21 km
2022
Hinnamnor
Category 2
86 mph
263 km
2020
Haishen
Category 3
104 mph
121 km
2020
Maysak
Category 2
92 mph
235 km
2019
Francisco
Category 1
81 mph
25 km
2018
Trami
Category 1
98 mph
211 km
2018
Prapiroon
Category 1
75 mph
153 km
2017
Noru
Category 1
69 mph
211 km
2016
Malakas
Category 3
109 mph
169 km
2016
Chaba
Category 1
81 mph
276 km
2016
Namtheun
Category 1
75 mph
225 km
2015
Goni
Category 3
104 mph
4 km
2014
Halong
Category 1
86 mph
255 km
2013
Danas
Category 2
75 mph
201 km
2012
Sanba
Category 3
104 mph
233 km
2012
Damrey
Category 1
63 mph
256 km
2011
Ma-on
Category 1
86 mph
244 km
2007
Usagi
Category 3
104 mph
109 km
2007
Man-yi
Category 2
86 mph
144 km
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tsunami History
16 tsunamis recorded within 500 km.
Highest wave on record: 55.0 m (180 ft).
Year
Location
Cause
Max Wave
Deaths
Distance
1792
SHIMABARA BAY, KYUSHU ISLAND
Landslide
55.0 m
15,000
7 km
1596
BEPPU BAY, KYUSHU
Eruption + Earthquake
8.0 m
708
137 km
1780
SW. KYUSHU ISLAND
Astronomical
6.0 m
—
135 km
1914
SEIKAIDO
Eruption
3.0 m
63
137 km
1996
KYUSHU ISLAND
Earthquake
0.6 m
—
144 km
1970
SEIKAIDO
Earthquake
0.3 m
—
141 km
1996
SEA OF JAPAN
Earthquake
0.2 m
—
142 km
1828
AMAKUSA SEA
Earthquake
—
—
48 km
1781
SW. KYUSHU ISLAND
Astronomical
—
38
137 km
1780
SW. KYUSHU ISLAND
Astronomical
—
—
135 km
1715
SEIKAIDO
Earthquake
—
—
137 km
1698
SEIKAIDO-NANKAIDO
Earthquake
—
—
137 km
1619
YATSUSHIRO, JAPAN
Earthquake
—
—
38 km
1597
BEPPU BAY, JAPAN
Eruption + Earthquake
—
40
129 km
766
N. KAGOSHIMA BAY
Astronomical
—
—
135 km
744
SW. KYUSHU ISLAND
Earthquake
—
1,520
44 km
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
9 volcanoes within 200 km.
Closest: Unzendake (7 km).
Name
Type
Elevation
Last Eruption
Distance
Unzendake
Complex
1,483 m (4,865 ft)
1996
7 km
Asosan
Caldera
1,592 m (5,223 ft)
2020
70 km
Kujusan
Stratovolcano(es)
1,791 m (5,876 ft)
1996
89 km
Kirishimayama
Shield
1,700 m (5,577 ft)
2018
105 km
Yufu-Tsurumi
Lava dome(s)
1,584 m (5,197 ft)
867
110 km
Yonemaru-Sumiyoshiike
Maar(s)
40 m (131 ft)
-6200
115 km
Aira
Caldera
1,117 m (3,665 ft)
2020
135 km
Fukue
Shield(s)
315 m (1,033 ft)
-400
143 km
Ata
Caldera(s)
924 m (3,031 ft)
885
175 km
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
Month
Avg Temperature
Precipitation
Summary
January
42°F (5°C)
2.4 in
Coldest
February
43°F (6°C)
3.4 in
March
49°F (9°C)
5.1 in
April
58°F (15°C)
6.7 in
May
66°F (19°C)
7.8 in
June
72°F (22°C)
14.2 in
Wettest
July
79°F (26°C)
14.1 in
August
81°F (27°C)
8.0 in
Warmest
September
74°F (24°C)
7.8 in
October
65°F (18°C)
3.8 in
November
55°F (13°C)
2.9 in
December
46°F (8°C)
2.3 in
Driest
Shimabara has a seasonal temperature swing of 39°F / from 42°F in January to 81°F in August. Total annual precipitation is 78.3 inches, with June being the wettest month (14.2") and December the driest (2.3").